216910840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1061}}^1$

素因数の和:1360

約数の個数: 64

約数和(自身を含む): 516132000

約数和(自身を除く): 299221160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 269, 380, 538, 760, 1061, 1076, 1345, 2122, 2152, 2690, 4244, 5111, 5305, 5380, 8488, 10222, 10610, 10760, 20159, 20444, 21220, 25555, 40318, 40888, 42440, 51110, 80636, 100795, 102220, 161272, 201590, 204440, 285409, 403180, 570818, 806360, 1141636, 1427045, 2283272, 2854090, 5422771, 5708180, 10845542, 11416360, 21691084, 27113855, 43382168, 54227710, 108455420, 216910840]

約数ペア:

[(1, 216910840), (2, 108455420), (4, 54227710), (5, 43382168), (8, 27113855), (10, 21691084), (19, 11416360), (20, 10845542), (38, 5708180), (40, 5422771), (76, 2854090), (95, 2283272), (152, 1427045), (190, 1141636), (269, 806360), (380, 570818), (538, 403180), (760, 285409), (1061, 204440), (1076, 201590), (1345, 161272), (2122, 102220), (2152, 100795), (2690, 80636), (4244, 51110), (5111, 42440), (5305, 40888), (5380, 40318), (8488, 25555), (10222, 21220), (10610, 20444), (10760, 20159)]